You can share the screen of your Mac computer with another Mac using the built-in Screen Sharing feature. Here's how to do it.

There's lost of ways to help your friends and family solve their tech problems. You can send them links to Lifehacker articles, tell them how to fix a problem over the phone, or you could fix the ...

Presentations over video conferencing apps like Zoom and Google Meet work best when you share your entire screen but anyone with a 4K display knows the lag doing that can create. Also, if you only ...

Have you ever found yourself squinting at your Mac’s screen, wishing you could share what you’re working on—or watching—on a bigger display? Whether it’s for a work presentation, a movie night, or ...

“Your screen is being observed” is a rather common occurrence among macOS users. It is shown by default when you share or record your screen, but not in other cases. Firstly, you can try the quick ...

To mirror your iPhone's screen to a Mac computer, you can use QuickTime or AirPlay. Here's how to do both.